Display screen or portion thereof with graphical user interface for an electronic device



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface for an electronic device;

FIG. 2 is a second embodiment thereof;

FIG. 3 is a third embodiment thereof;

FIG. 4 is a fourth embodiment thereof;

FIG. 5 is a fifth embodiment thereof;

FIG. 6 is a sixth embodiment thereof;

FIG. 7 is a seventh embodiment thereof; and,

FIG. 8 is an eighth embodiment thereof.

The broken lines that are shown in the drawings illustrate environmentalstructure, portions of the display screen, and portions of the graphicaluser interface that form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withgraphical user interface for an electronic device, as shown anddescribed.